Doctoral Thesis in Ecology

This research focuses on young adults aged 18-29 years in their relationship-formation phase, to gain greater insights that inform prevention-based social marketing campaigns. Research questions: The main research question was: How does economic abuse manifest in young adult relationships? There were three sub-questions: What is the prevalence of economic abuse among young adults? What is the lived experience of economic abuse in young adult relationships? And what factors are associated with economic abuse among young adults in relationships?

223p runthenight04 02-02-2023 5 2   Download

Objectives of the study: Determining the growth characteristics and adaptability of some triploid acacia clones in 3 ecological regions (Northeast, North Central and Southeast); đetermine the basic wood properties for some promising triploid acacia clones; identify some reproductive characteristics of some triploid acacia clones

27p guitaracoustic09 14-01-2022 15 2   Download

Provide data on fishery resource exploitation status and their characteristics, and ecological – connectivity of important fishery resource, this is the basis for proposing fishery management solutions in the coastal of Quang Nam - Da Nang.

30p beloveinhouse01 15-08-2021 21 2   Download

Aim of the research: The project is aimed to yield the composition and distribution of solitary wasps of the family Sphecidae in several provinces of the northwest part of Vietnam, new species to science and new species to Vietnam, and addition of some new biological, ecological, and behavioral characteristics of the mud dauber wasp S. madraspatanum. These results will be scientific base to next studies on the family Sphecida in the future.

26p extraenglish 24-05-2021 15 2   Download

Objectives of study: To determine the distribution of mangrove plant species and structure of forest, quantitative analysis of plant diversity and calculate carbon storage in Con Ong Trang; as well as to analyse the impact of main ecological factors to structure, diversity and distribution of mangrove plants following space and time periods.

26p extraenglish 24-05-2021 27 3   Download

Objectives of study: To identify natural enemies for stored - product pests in Dong Thap province. To study biological and ecological characteristics of A. calandrae. To evaluate the ability to control S. zeamais and L. serricorne by A. calandrae in laboratory conditions.

28p extraenglish 24-05-2021 25 3   Download

Research objectives: Determination of the species composition of weevils on corn in warehouses in Son La; Effects of several ecological factors on growth characteristics of the maize weevil Sitophilus zeamais Motschulsky as the scientific basis for suitable measures in corn storage warehouses.

27p extraenglish 24-05-2021 14 4   Download

To determine the distribution of mangrove plant species and structure of forest, quantitative analysis of plant diversity and calculate carbon storage in Con Ong Trang; as well as to analyse the impact of main ecological factors to structure, diversity and distribution of mangrove plants following space and time periods.

26p capheviahe27 23-02-2021 28 4   Download

Classify landscape ecology system and establish maps of landscape ecology in Son La province; clarify the changes of landscape ecology in Son La over time (from 2005 to 2015); identify the scientific foundations based on studing landscape ecology to orientate rational territory use in agriculture, forestry and conservation

27p capheviahe27 23-02-2021 16 6   Download

Studying species component, distribution of honey bee species belonging to the family of Apidae, analyzing the ecological relations and determining for using some honey bee species as an indicator of environmental pollution on the affected ecosystems (farm ecosystems, perennial garden ecosystems, cultivated forest ecosystems and evergreen forest ecosystems) in some provinces in the Northern Vietnam, contributing to the conservation of honey bee species and producing highquality honey products for the economic development of local people.

26p capheviahe27 23-02-2021 33 6   Download

This thesis provides a list of natural enemy species for agricultural insect pests in Dong Thap Province. Data about morphological, biological, behavioral and ecological characteristics of A. calandrae parazitizing L. serricorne is also obtained. Besides, the ability to control S. zeamais and L. serricorne was shown in this study.

28p capheviahe26 25-01-2021 28 4   Download

Develop the process of producing crude extracts, fractions and pure chemical compounds isolated from E. fortunei; tudy of inhibitory effect of the crude ethanol extracts from E. fortunei on the growth of M.aeruginosa and evaluating their ecological safety to non-target aquatic organisms.

28p larachdumlanat129 20-01-2021 31 3   Download

The thesis studies the composition and density of insect pests and insects that mainly catch on tea, the ability to control pests of some major prey insects, the impact of some ecological factors on pests , the main prey of insects and their relationship, building credible references to sustainable farming areas of integrated tea pest management.

27p xacxuoc4321 11-07-2019 49 3   Download

The thesis aims to: Classify landscape ecology system and establish maps of landscape ecology in Son La province. Clarify the changes of landscape ecology in Son La over time (from 2005 to 2015). Identify the scientific foundations based on studing landscape ecology to orientate rational territory use in agriculture, forestry and conservation.

27p xacxuoc4321 09-07-2019 29 7   Download

The purpose of this research subject is to study the growth, development of some exotic hybrid orchid genera of Cattleya, Dendrobium, Oncidium in order to select new promising hybrid orchid cultivars, consistent with the Northern Delta region and the nearby region with similar ecological conditions.

27p fujijudo87 07-07-2014 125 6   Download

Words can easily borrow, but the meaning of love from the heart of a people is difficult to describe. So I want to ask for forgiveness from the people that support can not be appreciated in the words and from those who, by any chance, I forgot to mention. First of all what I want to thank prof. dr.ir. Wind Herman and his wife - Joke. The interviews with prof. Wind held in Bangkok and his decision has helped me to be here, at the University of Twente, to carry out my doctoral research. Herman and Joke, I will never forget...

139p gauhaman123 17-11-2011 64 11   Download